直接拨入的英文

• ddi direct dialing in
• ddi direct-dialing-in
• did
• direct dialing-in ddi
• direct inward dialing

• 直接:    direct; immediate
• 拨入:    dial-in; dialing in
• 群外直接拨入:    out-groudirect dialing-in
• 外线直接拨入分机:    direct in dialing
• 直接拨入（内部分机）:    direct inward dialing

例句与用法

1. Did direct - inward - dialing
   直接拨入
2. Ddi direct dialing in
   直接拨入
3. Direct - inward - dialing
   直接拨入
4. Direct dialing in
   直接拨入
5. At & t filed a petition to strengthen did rules for prevention of toll fraud
   提出申请，要求强化did （外线直接拨入）规则，以防止长途电话盗打。